* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#message {
    padding: 20px;
    font: 20px Arial, Helvetica;
    width: 95%;
    list-style-type: none;
    margin: 10px auto;
    /*box-shadow: -3px 3px 5px #888;*/
    box-shadow:
            2px 0 3px #888,
            0 2px 3px #888,
            0 2px 3px #888,
            2px 0 3px #888;
    min-height: 300px;
    border-radius: 5px;
}

#messages li {
    padding: 10px 10px;
}

#messages li:nth-child(odd) {
    background: #eee;
}

form {
    background: #000000;
    padding: 5px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

#input {
    border: 0;
    padding: 5px 7px;
    width: 90%;
}

form button {
    width: 10%;
    background: rgb(130, 224, 255);
    border: none;
    padding: 5px;
}